write down the chemical equation of EDITA to determine the hardness of water.Use latex if possible.
Answers 2
Explanation:
There really is no need to add EBT in a fixed amount. Calcium EDTA complex is far more stable at pH≈10 (ammonia buffer) and will be the dominant Ca-compound in the solution even if there is a huge excess of EBT.
However, the amount of EBT is important to track the color change. If there is too much EBT, the color will be too dark, and one can easily miss the red-blue transition. If there are only trace amounts of EBT, the colors will be pale and again the transition is going to be barely visible.
The amounts of EBT given in the lab manuals are typically approximate and are estimated for the convenience of the personnel and to reduce the error in determining equivalence point due to unclear reading of the solution's color.
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kramerwilkinson
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[tex] \sf \underline {CHEMICAL\: EQUATION} [/tex] :-
[tex]\boxed {EDTA^{4 - } \: + Mg^{2 + } → [Mg-EDTA]^{2 - }}[/tex]
Full Form :-- Ethylenediamine tetra acetic acid
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karmah23b
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